linux-kernel - [PATCH 26/46] rust: pci: add __rust

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Message-ID: <20251202-define-rust-helper-v1-26-a2e13cbc17a6@google.com>
Date: Tue, 02 Dec 2025 19:37:50 +0000
From: Alice Ryhl <aliceryhl@...gle.com>
To: rust-for-linux@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, Alice Ryhl <aliceryhl@...gle.com>, 
	Danilo Krummrich <dakr@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>, 
	"Krzysztof Wilczyński" <kwilczynski@...nel.org>, linux-pci@...r.kernel.org
Subject: [PATCH 26/46] rust: pci: add __rust_helper to helpers

This is needed to inline these helpers into Rust code.

Signed-off-by: Alice Ryhl <aliceryhl@...gle.com>
---
Cc: Danilo Krummrich <dakr@...nel.org>
Cc: Bjorn Helgaas <bhelgaas@...gle.com>
Cc: "Krzysztof Wilczyński" <kwilczynski@...nel.org>
Cc: linux-pci@...r.kernel.org
---
 rust/helpers/pci.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/rust/helpers/pci.c b/rust/helpers/pci.c
index fb814572b23631c255eadeebccca353ab0dd3076..4b77a73ecda1ab71a7fba8b56a7a133d8c77c690 100644
--- a/rust/helpers/pci.c
+++ b/rust/helpers/pci.c
@@ -2,28 +2,31 @@
 
 #include <linux/pci.h>
 
-u16 rust_helper_pci_dev_id(struct pci_dev *dev)
+__rust_helper u16 rust_helper_pci_dev_id(struct pci_dev *dev)
 {
 	return PCI_DEVID(dev->bus->number, dev->devfn);
 }
 
-resource_size_t rust_helper_pci_resource_start(struct pci_dev *pdev, int bar)
+__rust_helper resource_size_t
+rust_helper_pci_resource_start(struct pci_dev *pdev, int bar)
 {
 	return pci_resource_start(pdev, bar);
 }
 
-resource_size_t rust_helper_pci_resource_len(struct pci_dev *pdev, int bar)
+__rust_helper resource_size_t rust_helper_pci_resource_len(struct pci_dev *pdev,
+							   int bar)
 {
 	return pci_resource_len(pdev, bar);
 }
 
-bool rust_helper_dev_is_pci(const struct device *dev)
+__rust_helper bool rust_helper_dev_is_pci(const struct device *dev)
 {
 	return dev_is_pci(dev);
 }
 
 #ifndef CONFIG_PCI_MSI
-int rust_helper_pci_irq_vector(struct pci_dev *pdev, unsigned int nvec)
+__rust_helper int rust_helper_pci_irq_vector(struct pci_dev *pdev,
+					     unsigned int nvec)
 {
 	return pci_irq_vector(pdev, nvec);
 }

-- 
2.52.0.158.g65b55ccf14-goog